Mary Dudley Hussey (July 31, 1853 - October 26, 1927) was an American lawyer, physician, and suffragist.

[1] She was a daughter of suffragist, Cornelia Collins Hussey and physician, Elizabeth Blackwell, was present at her birth.

[2] As a child, she was exposed to work of abolitionists and attended the last meeting of the American Anti-Slavery Society.

[2] Hussey practiced medicine for a short time, but felt that studying law would help her "advance the interests of women.

[6] Hussey was a member of the Woman's Christian Temperance Union (WCTU) and the Women's International League for Peace and Freedom.

[7] Hussey took part in an April 1910 march on Washington, D.C. where she presented a women's suffrage petition to New Jersey representative, William H.